8" / 20.5cm Underwater float arm has a diameter of 40mm / 1.5" with the weight of 118g / 6.7Oz and provides buoyancy of 200g.

This arm is made out of CARBON FIBER which makes it super light for travel and very slick looking as well.

Floating arm is typically used in scuba diving, to increase the buoyancy if you are carrying heavy gear. By attaching this arm to underwater photography equipment you can more easily manipulate your underwater housing and effortlessly take some magnificent photos and videos.